SK34A-T - SK310A-T
Taiwan Semiconductor
3A, 40V - 100V Surface Mount Schottky Barrier Rectifier
FEATURES
KEY PARAMETERS
●
●
●
●
●
Low power loss, high efficiency
Ideal for automated placement
Guard ring for over-voltage protection
High surge current capability
Compliant to RoHS Directive 2011/65/EU and
in accordance to WEEE 2002/96/EC
● Halogen-free according to IEC 61249-2-21
PARAMETER
VALUE
UNIT
IF(AV)
3
A
VRRM
40 - 100
V
IFSM
70
A
Package
DO-214AC (SMA)
Configuration
Single Die
APPLICATIONS
●
●
●
●
Switching mode power supply (SMPS)
Adapters
Lighting application
Converter
MECHANICAL DATA
●
●
●
●
●
●
●
●
Case: DO-214AC (SMA)
Molding compound meets UL 94V-0 flammability rating
Moisture sensitivity level: level 1, per J-STD-020
Packing code with suffix "G" means green compound
(halogen-free)
Terminal: Matte tin plated leads, solderable per J-STD-002
Meet JESD 201 class 1A whisker test
Polarity: As marked
Weight: 0.07 g (approximately)
DO-214AC (SMA)
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise noted)
PARAMETER
SYMBOL
SK34A-T
SK36A-T
SK310A-T
SK34A
SK36A
SK310A
100
V
UNIT
Marking code on the device
Repetitive peak reverse voltage
VRRM
40
60
Reverse voltage, total rms value
VR(RMS)
28
42
70
V
VDC
IF(AV)
40
60
100
3
V
A
IFSM
70
A
dV/dt
10000
V/μs
TJ
TSTG
- 55 to +150
°C
- 55 to +150
°C
Maximum DC blocking voltage
Forward current
Surge peak forward current, 8.3 ms
single half sine-wave superimposed
on rated load per diode)
Voltage rate of change (Rated VR)
Junction temperature
Storage temperature
1
Version:B1702
SK34A-T - SK310A-T
Taiwan Semiconductor
THERMAL PERFORMANCE
PARAMETER
SYMBOL
LIMIT
Junction-to-lead thermal resistance
RӨJL
25
UNIT
°C/W
Junction-to-ambient thermal resistance
RӨJA
66
°C/W
ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)
PARAMETER
Forward voltage per diode
CONDITIONS
SK34A-T
SK36A-T
(1)
TYP
MAX
UNIT
-
0.55
V
-
0.72
V
-
0.85
V
TJ = 25°C
-
0.5
mA
TJ = 100°C
-
10.0
mA
TJ = 125°C
-
-
mA
TJ = 25°C
-
0.2
mA
-
5.0
mA
TJ = 125°C
-
10.0
mA
TJ = 25°C
-
0.1
mA
TJ = 100°C
-
-
mA
TJ = 125°C
-
0.5
mA
IF = 3A, TJ=25°C
SYMBOL
VF
SK310A-T
SK34A-T
Reverse current @ rated VR per
diode
SK36A-T
(2)
SK310A-T
TJ = 100°C
IR
Notes:
1. Pulse test with PW=0.3 ms
2. Pulse test with PW=30 ms
ORDERING INFORMATION
PART NO.
PACKING CODE
SK3xxA-T
(Note 1, 2)
R3
R2
PACKING CODE
SUFFIX
G
PACKAGE
PACKING
SMA
SMA
1,800 / 7" Plastic reel
7,500 / 13" Paper reel
Notes:
1. "xx" defines voltage from 40V (SK34A-T) to 100V (SK310A-T)
2. Whole series with green compound (halogen-free)
EXAMPLE P/N
EXAMPLE P/N
PART NO.
PACKING CODE
SK36A-T R3G
SK36A-T
R3
2
PACKING CODE
SUFFIX
G
DESCRIPTION
Green compound
Version:B1702
SK34A-T - SK310A-T
Taiwan Semiconductor
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig1. Forward Current Derating Curve
Fig2. Typical Junction Capacitance
1000
SK34A-T
3
SK36A-T
2.5
CAPACITANCE (pF)
AVERAGE FORWARD CURRENT (A)
3.5
2
1.5
1
0.5
SK310A-T
f=1.0MHz
Vslg=50mVp-p
Resistive or
inductive load
0
50
60
70
80
90
10
100 110 120 130 140 150
0.1
100
Fig3. Typical Reverse Characteristics
Fig4. Typical Forward Characteristics
SK34A-T - SK36A-T, 100°C
SK310A-T, 125°C
SK36A-T, 125°C
SK310A-T, 25°C
1
0.1
0.01
SK34A-T - SK36A-T, 25°C
0.001
0
10
REVERSE VOLTAGE (V)
100
10
1
LEAD TEMPERATURE (°C)
INSTANTANEOUS FORWARD CURRENT (A)
INSTANTANEOU REVERSE CURRENT (mA)
100
20
40
60
80
100
100 10
SK36A-T
1
SK34A-T
TJ=125°C
10
TJ=25°C
0.1
10.01
SK310A-T
Pulse width
0.001
0.3
0.1
0
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
UF1DLW
0.4
0.2
0.5
0.4
0.6
0.6
0.7
0.8
Pulse width=300μs
1% duty
0.8
0.9 cycle
1
1.1
1
1.2
1.4
FORWARD VOLTAGE (V)
3
Version:B1702
1.6
1.2
SK34A-T - SK310A-T
Taiwan Semiconductor
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig5. Maximum Non-repetitive Forward Surge Current
PEAK FORWARD SURGE CURRENT (A)
70
8.3ms single half sine wave
60
50
40
30
20
10
0
1
10
100
NUMBER OF CYCLES AT 60 Hz
4
Version:B1702
SK34A-T - SK310A-T
Taiwan Semiconductor
PACKAGE OUTLINE DIMENSIONS
DO-214AC (SMA)
DIM
Unit (mm)
Unit (inch)
Min
Max
Min
Max
A
1.27
1.58
0.050
0.062
B
4.06
4.60
0.160
0.181
C
2.29
2.83
0.090
0.111
D
1.99
2.50
0.078
0.098
E
0.90
1.41
0.035
0.056
F
4.95
5.33
0.195
0.210
G
0.10
0.20
0.004
0.008
H
0.15
0.31
0.006
0.012
SUGGESTED PAD LAYOUT
Symbol
Unit (mm)
Unit (inch)
A
1.68
0.066
B
1.52
0.060
C
3.93
0.155
D
2.41
0.095
E
5.45
0.215
MARKING DIAGRAM
P/N
G
YW
F
5
= Marking Code
= Green Compound
= Date Code
= Factory Code
Version:B1702
SK34A-T - SK310A-T
Taiwan Semiconductor
Notice
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf,
assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, to
any intellectual property rights is granted by this document. Except as provided in TSC’s terms and conditions of
sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty,
relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose,
merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify TSC for any damages resulting from such improper use or sale.
6
Version:B1702
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